    <%@ page contentType="text/html;charset=UTF-8" language="java" %>
    <html>
    <head>
        <title>拍卖系统</title>
        <%--  base:基础        http://localhost:8080/ch06_war_exploded/--%>
        <base href="${pageContext.request.scheme}://${pageContext.request.serverName}:${pageContext.request.serverPort}/${pageContext.request.contextPath}/">

        <link href="css/common.css" rel="stylesheet" type="text/css" />
        <link href="css/style.css" rel="stylesheet" type="text/css" />
    </head>
    <body>
    <div class="wrap">
        <!-- main begin-->
        <div class="sale">
            <h1 class="lf">在线拍卖系统</h1>
            <div class="welcome lf"> 欢迎您: ${sessionScope.loginUser.userName}</div>
            <div class="logout right">
                <a href="user/AuctionUserServlet?opr=logout" title="注销">注销</a>
            </div>
        </div>
